Can I Sue My Husband’s Girlfriend in India?

The legal reality in 2025 — from a landmark Delhi High Court ruling that changed everything, to your actual rights as an aggrieved wife.

Discovering your husband’s affair is devastating. The pain, humiliation, and betrayal are very real — and it is natural to want accountability, not just from your husband, but from the woman involved. For years, Indian law offered no direct legal remedy against a husband’s girlfriend. That reality is quietly but significantly shifting in 2025.

This article explains exactly where Indian law stands today, what the courts have recently said, and what your genuine legal options are — without false promises or legal jargon.

The Short Answer

Legal Verdict — 2025

You cannot file a criminal FIR against your husband’s girlfriend solely for the affair. Adultery was decriminalized by the Supreme Court in 2018. However, a landmark Delhi High Court ruling in September 2025 held that a wife can file a civil suit claiming financial damages from the girlfriend if she intentionally interfered with the marriage. This is legally unprecedented in India and the case is still proceeding to trial.

Is Adultery a Crime in India in 2025?

No. In the landmark 2018 judgment Joseph Shine v. Union of India, a five-judge bench of the Supreme Court unanimously struck down Section 497 of the Indian Penal Code — the law that had criminalized adultery since 1860. The court declared it unconstitutional for violating the fundamental rights of equality, privacy, and dignity.

This position was confirmed when the new Bharatiya Nyaya Sanhita (BNS) 2023 replaced the IPC entirely — and adultery was deliberately not re-included as a criminal offense.

“Treating adultery as an offence would be tantamount to the State entering into a real private realm. The act does not fit into the concept of crime.”

— Chief Justice Dipak Mishra, Joseph Shine v. Union of India (2018)

What this means practically: no criminal FIR, no arrest, no prosecution of either your husband or his girlfriend for the affair itself. However — and this is crucial — decriminalization does not mean the affair carries zero legal consequence.

The Landmark Delhi High Court Ruling (September 2025)

Landmark Case — Delhi High Court, 2025

Shelly Mahajan v. Ms Bhanushree Bahl & Anr.

Case No.: CS(OS) 602/2025Judge: Justice Purushaindra Kumar KauravCourt:Delhi High Court (Civil)Damages Sought: ₹4 crore

The plaintiff wife alleged that her husband’s close professional associate knowingly and intentionally interfered in their marriage — accompanying him on frequent work trips, refusing to end the relationship when confronted, and eventually appearing with him publicly at social gatherings, humiliating the wife. The husband subsequently filed for divorce. The wife then filed a civil suit against the girlfriend seeking compensation under the tort of Alienation of Affection. The Delhi High Court ruled the suit was legally maintainable and ordered summons to be issued.

The case is now proceeding to full trial.

This ruling matters because it is the first time an Indian civil court has formally recognised that a third party who deliberately destroys a marriage can be held financially liable for it. The court rejected the girlfriend’s argument that she owed no legal duty to the wife, and it rejected the husband’s argument that the matter belonged only before a Family Court.

What Is Alienation of Affection — and Does It Apply in India?

Alienation of Affection (AoA) is a civil law concept originating in Anglo-American jurisprudence. It treats the deliberate destruction of a marriage by a third party as a legally compensable wrong — a tort — for which financial damages can be awarded to the aggrieved spouse.

The core idea: your right to your husband’s companionship, consortium, and affection is a legally protectable interest. If a third party intentionally and wrongfully interferes with that right, they can be made to pay for the harm caused.

The Delhi High Court explained the three things a wife must prove to succeed in such a suit:

Intentional & wrongful conduct

The girlfriend knowingly interfered in the marriage — not just a passive relationship, but active steps to damage the marital bond. Refusing to end the relationship when confronted, or publicly humiliating the wife, can qualify.

Clear causation

The girlfriend’s conduct must be demonstrably linked to the breakdown of the marriage. If the marriage was already in serious trouble before she entered the picture, causation becomes harder to establish.

Quantifiable injury

The loss — emotional distress, loss of companionship, financial harm — must be capable of rational monetary assessment. Courts will examine how to calculate a fair figure, which remains an open and evolving question.

It is important to note: India has no statute explicitly recognising AoA as a tort. The Delhi High Court derived it from common law principles. The case still has to proceed to trial for any compensation to actually be awarded — this is precedent-setting territory, not settled law.

Other Legal Options Against the Girlfriend

🚫Not Available

Criminal FIR for adultery

Cannot be filed. Adultery is no longer a criminal offense under Indian law since 2018. No amount of evidence of the affair will make this possible.

⚖️Available

Section 498A — cruelty by husband

You can file a cruelty case against your husband under Section 498A (now BNS Section 85) if the affair, combined with harassment or mental cruelty, has caused you emotional harm. The girlfriend can potentially be named as an abettor if she actively encouraged or participated in the cruelty.

🏛️Available

Divorce on grounds of adultery

Under the Hindu Marriage Act 1955, Special Marriage Act 1954, and Indian Divorce Act 1869, a single proven act of adultery is sufficient ground for divorce. Proof of the affair can also positively influence alimony and maintenance decisions in your favour.

💰Available

Civil suit — Alienation of Affection

As established by the Delhi High Court in September 2025, you can file a civil damages suit directly against the girlfriend if you can establish intentional interference, causation, and quantifiable loss. This is novel, contested, and evolving — but legally maintainable.

🛡️Situational

Domestic Violence Act (PWDVA 2005)

If the girlfriend has been present in the shared household, or if the husband’s conduct linked to the affair amounts to mental or economic abuse, a complaint under the Protection of Women from Domestic Violence Act may be filed against the husband.

What You Can Actually Do — Step by Step

 Step 1 — Gather and preserve evidence

Before taking any legal step, document everything. Screenshots of messages, emails, photographs, hotel bills, financial records, witness accounts — digital evidence is increasingly accepted by Indian civil and family courts. Do not delete anything and back up all data securely.

Step 2 — Consult a family law advocate immediately

Your personal law (Hindu, Muslim, Christian, Parsi, or secular under the Special Marriage Act) determines which remedies apply to you. A qualified family law advocate in your city can evaluate your specific evidence and advise on the strongest combination of legal actions.

Step 3 — Decide your primary goal

Do you want the marriage to end on favourable financial terms? Do you want accountability from the girlfriend? Do you want to protect custody of your children? Each goal maps to a different legal strategy — divorce proceedings, a civil suit, a cruelty complaint, or a combination. Being clear about your goal prevents wasted time and resources.

Step 4 — Consider mediation

Courts increasingly encourage mediation before full-blown litigation. Many cases, particularly those involving children and shared assets, are resolved through structured mediation where outcomes — alimony, child support, property division — are negotiated rather than litigated. This is often faster, less expensive, and less emotionally damaging.

Frequently Asked Questions